Ring bowl



FIG. 1 is a top, front perspective view of a ring bowl showing our new design;

FIG. 2 is a front elevation view thereof, the rear elevation view being identical;

FIG. 3 is a left side elevation view thereof, the right side elevation view being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines shown in the drawings depict portions of the ring bowl that form no part of the claimed design. 

CLAIM The ornamental design for a ring bowl, as shown and described. 